/ | | 1 | ------ dx | 2 | x + 2 | /
1 1
------ = --------------------
2 / 2 \
x + 2 |/ ___ \ |
||-\/ 2 | |
2*||-------*x| + 1|
\\ 2 / // | | 1 | ------ dx | 2 = | x + 2 | /
/
|
| 1
| ---------------- dx
| 2
| / ___ \
| |-\/ 2 |
| |-------*x| + 1
| \ 2 /
|
/
----------------------
2 /
|
| 1
| ---------------- dx
| 2
| / ___ \
| |-\/ 2 |
| |-------*x| + 1
| \ 2 /
|
/
----------------------
2 ___
-x*\/ 2
v = ---------
2 /
|
| 1
| ------ dv
| 2
| 1 + v
|
/ atan(v)
------------ = -------
2 2 /
|
| 1
| ---------------- dx
| 2
| / ___ \
| |-\/ 2 |
| |-------*x| + 1 / ___\
| \ 2 / ___ |x*\/ 2 |
| \/ 2 *atan|-------|
/ \ 2 /
---------------------- = -------------------
2 2 / ___\
___ |x*\/ 2 |
\/ 2 *atan|-------|
\ 2 /
C + -------------------
2 1 / ___\ / ___ |\/ 2 | | \/ 2 *atan|-----| | 1 \ 2 / | ------ dx = ----------------- | 2 2 | x + 2 | / 0
0.435209875683552